Showing 138 open source projects for "development"

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  • 1
    Yampa

    Yampa

    Functional Reactive Programming domain-specific language

    Yampa is a Functional Reactive Programming (FRP) library for Haskell, specifically designed for modeling hybrid systems that involve both continuous and discrete time behaviors, such as games, simulations, robotics, and reactive systems. Based on the concept of signal functions, Yampa offers a declarative way to model time-varying values and their transformations, making it easier to manage complex time-based logic without resorting to imperative state management. It is grounded in strong...
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  • 2
    stylish-haskell

    stylish-haskell

    Haskell code prettifier

    A simple Haskell code prettifier. The goal is not to format all of the code in a file since I find that kind of tools often "get in the way". However, manually cleaning up import statements, etc. gets tedious very quickly. This tool tries to help where necessary without getting in the way. Aligns and sorts import statements. Groups and wraps {-# LANGUAGE #-} pragmas, can remove (some) redundant pragmas. Removes trailing whitespace. Aligns branches in case and fields in records. Converts line...
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  • 3
    The Aura Package Manager

    The Aura Package Manager

    A secure, multilingual package manager for Arch Linux

    Aura, a secure, multilingual package manager for Arch Linux. Aura's original purpose is as an AUR helper, in that it automates the process of installing packages from the Arch User Repositories. It is, however, capable of much more. Aura is a package manager for Arch Linux. Its original purpose is as an AUR helper, in that it automates the process of installing packages from the Arch User Repositories. It is, however, capable of much more. Aura doesn't just mimic pacman; it is pacman. All...
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  • 4
    miso

    miso

    A tasty Haskell front-end framework

    Miso is a small, production-ready, "isomorphic" Haskell front-end framework for quickly building highly interactive single-page web applications. It features a virtual-dom, recursive diffing / patching algorithm, attribute and property normalization, event delegation, event batching, SVG, Server-sent events, Websockets, type-safe servant-style routing and an extensible Subscription-based subsystem. Inspired by Elm, Redux and Bobril. Miso is pure by default, but side effects (like XHR) can be...
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  • 5
    hledger

    hledger

    Robust, fast, intuitive plain text accounting tool with CLI

    hledger is fast, reliable, free, multicurrency double-entry accounting software that runs on unix, mac, windows, and the web. With it you can track money, investments, cryptocurrencies, time, or any other quantifiable commodity; with a future-proof plain text file format, version control for your changes, and without needing any cloud service or vendor. Developed continuously since 2007, hledger is licensed under GNU GPLv3+, written in Haskell, and thoroughly tested, with $100 bounties for...
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  • 6
    koka

    koka

    Koka language compiler and interpreter

    Koka is a strongly typed functional-style language with effect types and handlers. The core of Koka consists of a small set of well-studied language features, like first-class functions, a polymorphic type- and effect system, algebraic data types, and effect handlers. Each of these is composable and avoid the addition of “special” extensions by being as general as possible. Koka tracks the (side) effects of every function in its type, where pure and effectful computations are distinguished....
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  • 7
    Haskell Dockerfile Linter

    Haskell Dockerfile Linter

    Dockerfile linter, validate inline bash, written in Haskell

    A smarter Dockerfile linter that helps you build best practice Docker images. The linter parses the Dockerfile into an AST and performs rules on top of the AST. It stands on the shoulders of ShellCheck to lint the Bash code inside RUN instructions. You can run hadolint locally to lint your Dockerfile. You can download prebuilt binaries for OSX, Windows and Linux from the latest release page. However, if this does not work for you, please fall back to container (Docker), brew or source...
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  • 8
    Brick

    Brick

    A declarative Unix terminal UI library written in Haskell

    Brick is a Haskell terminal user interface (TUI) programming toolkit that enables developers to build rich, responsive terminal applications via a declarative model: you define a pure function that renders the UI from application state and supply state transition logic to handle events. brick exposes a declarative API. Unlike most GUI toolkits which require you to write a long and tedious sequence of widget creations and layout setup, brick just requires you to describe your interface using...
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  • 9
    Ormolu

    Ormolu

    A formatter for Haskell source code

    Ormolu is a formatter for Haskell source code. Using GHC's own parser to avoid parsing problems caused by haskell-src-exts. Let some whitespace be programmable. The layout of the input influences the layout choices in the output. This means that the choices between single-line/multi-line layouts in certain situations are made by the user, not by an algorithm. This makes the implementation simpler and leaves some control to the user while still guaranteeing that the formatted code is...
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  • 10
    optparse-applicative

    optparse-applicative

    Applicative option parser

    optparse-applicative is a haskell library for parsing options on the command line, and providing a powerful applicative interface for composing them. optparse-applicative takes care of reading and validating the arguments passed to the command line, handling and reporting errors, generating a usage line, a comprehensive help screen, and enabling context-sensitive bash, zsh, and fish completions. A value of type Parser a represents a specification for a set of options, which will yield a...
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  • 11
    Matterhorn

    Matterhorn

    A feature-rich Unix terminal client for the Mattermost chat system

    Matterhorn is a terminal client for the Mattermost chat system. We provide pre-built binary releases for some platforms. Please see the release list to download a binary release for your platform that matches your server version. When you run Matterhorn you'll be prompted for your server URL and credentials. To connect, just paste your web client's Mattermost URL into the Server URL box and enter your credentials. See the Matterhorn User Guide on the details for providing each kind of...
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  • 12
    Tidal

    Tidal

    Pattern language

    Tidal Cycles (or just Tidal for short) is software for making patterns with code, whether live coding music at algoraves or composing in the studio. It includes a simple and flexible notation for rhythmic sequences and an extensive library of patterning functions for combining and transforming them. This allows you to quickly create complex patterns from simple ingredients. By default, sound is made with the featureful SuperDirt synth/sampler, but you can control other synths using Open...
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  • 13
    elm-format

    elm-format

    elm-format formats Elm source code

    elm-format formats Elm source code according to a standard set of rules based on the official Elm Style Guide. It makes code easier to write, because you never have to worry about minor formatting concerns while powering out new code. It makes code easier to read, because there are no longer distracting minor stylistic differences between different code bases. As such, your brain can map more efficiently from source to mental model. It makes code easier to maintain because you can no longer...
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  • 14
    Summoner

    Summoner

    Tool for scaffolding batteries-included production-level Haskell

    Summoner is a tool for scaffolding fully configured batteries-included production-level Haskell projects. Do you want to create a library that is to be uploaded to Hackage/Stackage, that builds with both Cabal and Stack and supports the latest three major GHC versions? Or are you building a production application that uses a custom prelude and has CI with GitHub Actions or Travis Linux and AppVeyors Windows checks? Maybe do you want to play with your idea in a single module without...
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  • 15
    Reflex

    Reflex

    Interactive programs without callbacks or side-effects

    Reflex apps automatically react to changing data. This keeps every interaction current, accurately representing the relationship between your data and the real world. Reflex components are modular and reusable. If your requirements change, your app can quickly and easily be reworked. The modularity of Reflex lets you iterate quickly, without wasting code. Reflex has been built to seamlessly support interfaces on desktop, mobile, web, and other platforms, all in Haskell. Regardless of your...
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  • 16
    Gitit

    Gitit

    A wiki using HAppS, pandoc, and git

    Gitit is a wiki application written in Haskell that uses Happstack for serving and Pandoc for markup conversion. Wiki content and attachments are stored in Git, Darcs, or Mercurial repositories, allowing versioning via VCS or web editing. To run gitit, you'll need git in your system path. (Or darcs or hg, if you're using darcs or mercurial to store the wiki data.) Gitit assumes that the page files (stored in the git repository) are encoded as UTF-8. Even page names may be UTF-8 if the file...
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  • 17
    Obelisk

    Obelisk

    Functional reactive web and mobile applications, with batteries

    ...In minutes you can go from an empty directory to an interactive application that works on web, iOS, and Android, all sharing the same Haskell codebase! Obelisk's development environment also enables extremely rapid development and feedback. You can take advantage of Haskell's type system across the frontend and backend boundary. This means changes to your backend that would break your frontend are immediately detected during development and vice versa. Obelisk uses Haskell's compiler to give you a complete "TODO list" of what needs to be updated.
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  • 18
    Reflex Platform

    Reflex Platform

    A curated package set and set of tools that let you build Haskell

    ...Reflex Platform is designed to target iOS and Android on mobile, JavaScript on the web, and Linux and macOS on desktop. It's Haskell, everywhere. Reflex Platform comes packaged with tools to make development easier, like a hoogle server that you can run locally to look up definitions.
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  • 19
    erd

    erd

    Translates a plain text description of a relational database schema

    erd is a Haskell-based command-line tool that transforms a plain-text description of a relational database schema into a graphical entity-relationship diagram using common ER conventions. This utility takes a plain text description of entities, their attributes and the relationships between entities and produces a visual diagram modeling the description. The visualization is produced by using Dot with GraphViz. There are limited options for specifying color and font information. Also, erd...
    Downloads: 1 This Week
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  • 20
    Elm

    Elm

    Compiler for Elm, a functional language for reliable webapps

    Elm uses type inference to detect corner cases and give friendly hints. NoRedInk switched to Elm about four years ago, and 300k+ lines later, they still have not had to scramble to fix a confusing runtime exception in production. The compiler guides you safely through your changes, ensuring confidence even through the most wide-reaching refactorings in unfamiliar codebases. Including your own, six months later. All Elm programs are written in the same pattern, eliminating doubt and lengthy...
    Downloads: 1 This Week
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  • 21
    GHCid

    GHCid

    Very low feature GHCi based IDE

    ghcid is a minimalist development tool for Haskell that runs GHCi as a daemon, watches source files for changes, reloads automatically, and shows compile errors instantly—providing a tight edit-feedback loop. In general, to use ghcid, you first need to get ghci working well for you. In particular, craft a command line or .ghci file such that when you start ghci it has loaded all the files you care about (check :show modules).
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  • 22
    The HaskellR project

    The HaskellR project

    The full power of R in Haskell

    The HaskellR project provides an environment for efficiently processing data using Haskell or R code, interchangeably. HaskellR allows Haskell functions to seamlessly call R functions and vice versa. It provides the Haskell programmer with the full breadth of existing R libraries and extensions for numerical computation, statistical analysis and machine learning. Optionally, pass in the --nix flag to all commands if you have the Nix package manager installed. Nix can populate a local build...
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  • 23
    Kitten

    Kitten

    A statically typed concatenative systems programming language

    Kitten is an experimental, concatenative programming language that blends Forth/Joy-style stack programming with modern static typing and effect tracking. Programs are composed by chaining small words that transform a typed stack, and the compiler uses type inference to ensure compositions are valid. The language explores disciplined handling of side effects, aiming to separate pure transformations from operations that perform I/O or mutate state. Its design encourages small, reusable...
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  • 24
    niv

    niv

    Easy dependency management for Nix projects

    Niv is a tool designed for managing dependencies in Nix projects. It simplifies adding, updating, and removing package sources via a single nix/sources.json file, improving reproducibility and version control in Nix-based workflows. niv simplifies adding and updating dependencies in Nix projects. It uses a single file, nix/sources.json, where it stores the data necessary for fetching and updating the packages. Nix is a very powerful tool for building code and setting up environments. niv...
    Downloads: 1 This Week
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  • 25
    relude

    relude

    Safe, performant, user-friendly and lightweight Haskell library

    relude is a safe, performant, user-friendly and lightweight Haskell standard library. The default Prelude is not perfect and doesn’t always satisfy one’s needs. At this stage, you may want to try an alternative prelude library. relude has some strong goals and principles that it sticks to. That principles define the library's decisions and might tell you more about the priorities of the library. You can be more productive with a “non-standard” standard library, and relude helps you with...
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